SE0300824L - Lägesanpassat skyddsintervall för OFDM-kommunikation - Google Patents

Lägesanpassat skyddsintervall för OFDM-kommunikation

Info

Publication number
SE0300824L
SE0300824L SE0300824A SE0300824A SE0300824L SE 0300824 L SE0300824 L SE 0300824L SE 0300824 A SE0300824 A SE 0300824A SE 0300824 A SE0300824 A SE 0300824A SE 0300824 L SE0300824 L SE 0300824L
Authority
SE
Sweden
Prior art keywords
mode
ofdm communication
protection interval
adapted protection
interval
Prior art date
Application number
SE0300824A
Other languages
English (en)
Other versions
SE527445C2 (sv
SE0300824D0 (sv
Inventor
Richard Ljung
Peter Karlsson
Original Assignee
Telia Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telia Ab filed Critical Telia Ab
Priority to SE0300824A priority Critical patent/SE527445C2/sv
Publication of SE0300824D0 publication Critical patent/SE0300824D0/sv
Priority to PCT/SE2004/000390 priority patent/WO2004086711A1/en
Priority to EP04721410.1A priority patent/EP1611723B1/en
Priority to US10/549,846 priority patent/US8537759B2/en
Publication of SE0300824L publication Critical patent/SE0300824L/sv
Priority to NO20054011A priority patent/NO20054011L/no
Publication of SE527445C2 publication Critical patent/SE527445C2/sv
Priority to US14/011,188 priority patent/US9008026B2/en
Priority to US15/487,730 priority patent/USRE48087E1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
SE0300824A 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation SE527445C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE0300824A SE527445C2 (sv) 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation
PCT/SE2004/000390 WO2004086711A1 (en) 2003-03-25 2004-03-17 Position adjusted guard time interval for ofdm-communications system
EP04721410.1A EP1611723B1 (en) 2003-03-25 2004-03-17 Position adjusted guard time interval for ofdm-communications system
US10/549,846 US8537759B2 (en) 2003-03-25 2004-03-17 Position adjusted guard time interval for OFDM-communications system
NO20054011A NO20054011L (no) 2003-03-25 2005-08-30 Posisjonstilpasset sikkerhetsintervall for OFDM-kommunikasjonssystem
US14/011,188 US9008026B2 (en) 2003-03-25 2013-08-27 Position adjusted guard time interval for OFDM-communications system
US15/487,730 USRE48087E1 (en) 2003-03-25 2017-04-14 Position adjusted guard time interval for OFDM-communications system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0300824A SE527445C2 (sv) 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation

Publications (3)

Publication Number Publication Date
SE0300824D0 SE0300824D0 (sv) 2003-03-25
SE0300824L true SE0300824L (sv) 2004-09-26
SE527445C2 SE527445C2 (sv) 2006-03-07

Family

ID=20290781

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0300824A SE527445C2 (sv) 2003-03-25 2003-03-25 Lägesanpassat skyddsintervall för OFDM-kommunikation

Country Status (5)

Country Link
US (3) US8537759B2 (sv)
EP (1) EP1611723B1 (sv)
NO (1) NO20054011L (sv)
SE (1) SE527445C2 (sv)
WO (1) WO2004086711A1 (sv)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
SE527445C2 (sv) * 2003-03-25 2006-03-07 Telia Ab Lägesanpassat skyddsintervall för OFDM-kommunikation
US7920884B2 (en) 2004-06-04 2011-04-05 Qualcomm Incorporated Frame structures for a wireless communication system with multiple radio technologies
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
US8666387B2 (en) * 2004-12-30 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for determining transmit signal parameters using real-time channel measurements
WO2006072980A1 (ja) * 2005-01-06 2006-07-13 Fujitsu Limited 無線通信システム
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US7742444B2 (en) 2005-03-15 2010-06-22 Qualcomm Incorporated Multiple other sector information combining for power control in a wireless communication system
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
JP4463723B2 (ja) * 2005-04-28 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ 送信機及び送信方法
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US9055552B2 (en) 2005-06-16 2015-06-09 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8750908B2 (en) 2005-06-16 2014-06-10 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
CN102523082B (zh) * 2005-08-24 2015-11-25 高通股份有限公司 用于无线通信***的多样传输时间间隔的方法和设备
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US20090207790A1 (en) 2005-10-27 2009-08-20 Qualcomm Incorporated Method and apparatus for settingtuneawaystatus in an open state in wireless communication system
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
WO2007050896A1 (en) 2005-10-27 2007-05-03 Qualcomm Incorporated A method and apparatus for transmitting and receiving rlab over f-ssch in wireless communication system
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
CN1964521B (zh) * 2005-11-11 2010-05-12 上海贝尔阿尔卡特股份有限公司 一种在无线通信网络中的无线自回传方法及装置
CN1964219B (zh) * 2005-11-11 2016-01-20 上海贝尔股份有限公司 实现中继的方法和设备
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
CN101087288B (zh) * 2006-06-05 2010-12-08 大唐移动通信设备有限公司 长期演进***中的循环前缀确定方法及eNodeB
FI20065614L (sv) * 2006-09-29 2008-03-30 Nokia Corp Sändningstidintervallallokering för paketradiotjänst
EP1940068B1 (en) * 2006-12-27 2011-10-05 ABB Technology AG Initialization of and modem for an OFDM data transmission
EP1942623A1 (en) * 2007-01-08 2008-07-09 Siemens Networks GmbH & Co. KG Method for data transmission using a block guard interval, subscriber and system
US8811373B2 (en) * 2007-08-15 2014-08-19 Qualcomm Incorporated Rate matching of messages containing system parameters
JP5031600B2 (ja) * 2008-01-28 2012-09-19 京セラ株式会社 無線通信方法、無線通信システム、基地局、移動局
JP5031632B2 (ja) * 2008-03-26 2012-09-19 京セラ株式会社 無線通信方法、無線通信システム、基地局、移動局
US20140152459A1 (en) 2012-12-04 2014-06-05 Schlumberger Technology Corporation Wellsite System and Method for Multiple Carrier Frequency, Half Duplex Cable Telemetry
JP6211846B2 (ja) * 2013-07-31 2017-10-11 株式会社Ｎｔｔドコモ 移動局
CN105659552B (zh) * 2013-09-10 2019-09-13 马维尔国际贸易有限公司 用于生成具有选择的保护间隔的数据单元的方法和装置
US11855818B1 (en) * 2014-04-30 2023-12-26 Marvell Asia Pte Ltd Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network
US10524161B2 (en) 2014-08-20 2019-12-31 Qualcomm Incorporated Delay spread estimation and utilization
US10567202B2 (en) * 2015-03-20 2020-02-18 Ntt Docomo, Inc. User equipment and base station
WO2017013729A1 (ja) * 2015-07-21 2017-01-26 創光科学株式会社 窒化物半導体紫外線発光素子
US10320597B2 (en) * 2015-08-26 2019-06-11 Telefonaktiebolaget Lm Ericsson (Publ) Scheduling of users for multi-user transmission in a wireless communication system
CN109286938A (zh) * 2017-07-19 2019-01-29 中兴通讯股份有限公司 一种传输信号的方法、基站及终端
KR20190055424A (ko) * 2017-11-15 2019-05-23 삼성전자주식회사 송신기 및 그를 포함하는 무선 통신 시스템 및 데이터 송수신 방법
CN108712356A (zh) * 2018-03-25 2018-10-26 哈尔滨工程大学 一种基于离散菲涅耳变换扩展ofdm调制的相干光纤通信***
US11585916B2 (en) * 2018-06-29 2023-02-21 Apple Inc. Ranging using beamforming antenna weight vectors and secure ranging packet with phase tracking
US11489699B2 (en) * 2021-01-22 2022-11-01 Cisco Technology, Inc. Channel estimation for high-speed wireless clients

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504897C2 (sv) * 1996-02-14 1997-05-26 Telia Ab Förfarande och anordning i ett OFDM system med variabel varaktighet av symbolskur
JP3726856B2 (ja) 1997-05-02 2005-12-14 ソニー株式会社 受信装置および受信方法
JP3428965B2 (ja) * 1998-12-01 2003-07-22 サムスン エレクトロニクス カンパニー リミテッド 直交周波数分割多重／符号分割多重接続システムの周波数同期装置
JP2000244441A (ja) * 1998-12-22 2000-09-08 Matsushita Electric Ind Co Ltd Ｏｆｄｍ送受信装置
JP2001069110A (ja) * 1999-08-25 2001-03-16 Matsushita Electric Ind Co Ltd Ｏｆｄｍ通信装置
US6922445B1 (en) * 1999-12-15 2005-07-26 Intel Corporation Method and system for mode adaptation in wireless communication
US6850498B2 (en) * 2000-12-22 2005-02-01 Intel Corporation Method and system for evaluating a wireless link
US6885630B2 (en) * 2001-01-03 2005-04-26 At&T Corp. Combined simulcasting and dedicated services in a wireless communication system
JP3649326B2 (ja) * 2001-11-13 2005-05-18 日本電気株式会社 Ｏｆｄｍ方式のガードインターバル長制御方法及びｏｆｄｍ送受信装置
SE527445C2 (sv) * 2003-03-25 2006-03-07 Telia Ab Lägesanpassat skyddsintervall för OFDM-kommunikation
IL155828A0 (en) * 2003-05-09 2003-12-23 Zion Hadad Handoff system and method
JP4583054B2 (ja) * 2004-03-05 2010-11-17 株式会社エヌ・ティ・ティ・ドコモ 移動局および基地局
KR20050122795A (ko) * 2004-06-25 2005-12-29 삼성전자주식회사 직교주파수다중접속 통신 시스템에서 보호구간 설정 방법및 장치
FR2891674B1 (fr) * 2005-09-30 2007-12-21 Radiotelephone Sfr Procede et systeme de planification automatique de retards des temps d'emission des emetteurs d'un reseau de diffusion synchrone en temps et en frequence
US7782817B2 (en) * 2005-11-04 2010-08-24 Intel Corporation Systems and techniques for improved data throughput in a wireless network

Also Published As

Publication number Publication date
SE527445C2 (sv) 2006-03-07
USRE48087E1 (en) 2020-07-07
EP1611723A1 (en) 2006-01-04
NO20054011D0 (no) 2005-08-30
US8537759B2 (en) 2013-09-17
WO2004086711A1 (en) 2004-10-07
NO20054011L (no) 2005-12-21
US20070159957A1 (en) 2007-07-12
EP1611723B1 (en) 2016-05-18
SE0300824D0 (sv) 2003-03-25
US20140010328A1 (en) 2014-01-09
US9008026B2 (en) 2015-04-14

Similar Documents

Publication Publication Date Title
SE0300824L (sv) Lägesanpassat skyddsintervall för OFDM-kommunikation
DE602004012490D1 (de) Kommunikationsgerät
FI20050092A0 (sv) Gruppdetaljer för grupptjänster
DE602004019262D1 (de) Mehrträgerempfänger
FI20050227A (sv) Antennsystem för en kommunikationsanordning
NO20053209D0 (no) Kommunikasjonssystem for nedihullsbruk.
DE60333875D1 (de) Funkkommunikationssystem
SE0300362L (sv) Inkontinensskydd för män
DE602005008354D1 (de) Kommunikationssystem
DE602005017712D1 (de) Kommunikationssystem zwischen Geräten
DE602004000116T2 (de) Verbessertes Gruppenkommunikationssystem
FI20041535A (sv) Kommunikationssystem
SE0203149L (sv) Anordning för bryning
SE0301097L (sv) Lokaliseringssystem
DE60335748D1 (de) Funkkommunikationssystem
ITMI20040741A1 (it) Dispositivo di convogliamento per spruzzatori
DK1661373T6 (da) Digital kommunikationsanordning
FI20031900A (sv) Transmission av data på havet
DE602004012691D1 (de) Kommunikationsendgerät
EP1597887A4 (en) OFDM COMMUNICATION DEVICE
NO20053428D0 (no) Fremgangsmate for dermal beskyttelse.
FI20030518A0 (sv) Förfarande för elektronisk kommunikation
SE0200345D0 (sv) Arrangemang för kommunikation
SE0301336L (sv) Anordning för etikettering
SE0300162D0 (sv) Styrdon för inskrivning av tecken

Legal Events

Date Code Title Description
NUG Patent has lapsed